Yes.
The Joint Commission does not prohibit signs installed within stairwells for information related to calories burned when taking the stairs, as long as the signs are of non-combustible or limited combustible construction, and they are flat, wall mounted signs so as not to interfere with the means of egress.
If you have additional questions, please visit the Joint Commission website and complete the online question submission form.
Full compliance with the intent of the standards may only be assessed during an onsite survey.
Updates to The Joint Commission accreditation and certification requirements are published in its newsletters.